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Top election analyst Nate Silver said the race for the White House will be “purely back and forth” in his final forecast before Election Day.

On his Substack page on Sunday, Silver wrote that former President Donald Trump had a 51.5 percent chance of winning, while Vice President Kamala Harris had a 48.1 percent chance.

The election analyst responded to

Silver made his forecast using polls in battleground states from Morning Consult and The New York Times.

The latest survey from the Times shows Harris leading in four of the seven swing states, including Georgia, Nevada, North Carolina and Wisconsin. According to the poll, Harris is tied with Trump in Michigan and Pennsylvania and only behind him in Arizona.

Meanwhile, Trump is doing better in the Morning Consult poll, which shows him slightly ahead in three battleground states – Georgia, North Carolina and Wisconsin – and tied in Arizona and Pennsylvania.

Iowa pollster Ann Selzer released a poll from her state over the weekend that showed Harris with a three-point lead. The last time the state went for a Democrat was in 2012.

Silver pointed out that the Iowa poll will “probably” have no impact on who wins the Electoral College, although he noted that “Harris voters have every right to be excited about the Selzer poll.”

“At the very least, there will be a lot of numbers in recent polls from top pollsters that support a Harris win – and about as many that suggest a Trump win,” he added.

“If Trump had 'momentum' in October, it has now evaporated in November. And we will most likely go into Tuesday night with the race truly neck-and-neck and not tilted toward Trump.”

Silver also shared a national polling average Sunday morning that showed Harris with a slight lead of 48.5 percent to 47.6 percent, although he noted that his model does not give as much weight to national polls at this point in the race.

The election analyst's polling average gave Trump a narrow lead in Arizona, Georgia, Nevada, North Carolina and Pennsylvania, while Harris was narrowly ahead in Michigan and Wisconsin.

In 2020, Silver said in his final pre-election forecast that President Joe Biden had an 89 percent chance of winning. He gave Trump a 30 percent chance of winning in 2016 — a better chance than many other forecasters gave Trump at the time. Mediait noted.